She is always raining on someone's parade.

She is yucking someone's yum by criticizing their taste in music.

Don't rain on someone's parade.

I walked in someone's shoes to understand their perspective.

She walks in someone's shoes.

Walking in someone's shoes can help you understand their perspective.

His unexpected arrival spiked someone's guns.

He spiked someone's guns by revealing their secret plan.

She was able to spike his guns by revealing his secret plan.

Crossing someone's palm with silver is a traditional way to show gratitude.